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Injection pump

A technology of syringe pump and pump tube, applied in the field of syringe pump, can solve the problems of deviation of rated output and free flow, and achieve the effect of high safety

Inactive Publication Date: 2004-05-12
B BRAUN MELSUNGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This runs the risk of large deviations from the nominal output or, in the worst case, free flow

Method used

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  • Injection pump
  • Injection pump
  • Injection pump

Examples

Experimental program
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Effect test

Embodiment Construction

[0020] figure 1 The syringe pump shown in includes a housing 10, generally designed similarly to the syringe pump housing in DE8406203 U1. In the front wall 11 of the housing 10 there is an opening 11a, at the rear of which is mounted a pump contact finger 12 of a finger pump (not shown). Finger pumps consist of a plurality of sequentially mounted fingers that successively squeeze the pump tube from top to bottom so that the liquid therein is transported peristally from top to bottom. The pump finger assembly 12 is covered by a resilient cover.

[0021] The pump tube 13 is arranged in front of the opening 11a. The pump tubing 13 is a section of flexible elastic tubing 14, preferably made of silicone. It is approximately 90mm long, with an inner diameter of 4mm and an outer diameter of 6mm. What is fixed on the upper end of the tube body 14 is an upper transition piece 15 . The conversion piece 15 is hung on the upper holder 16 of the housing 10 . Two pins 17 are housed s...

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PUM

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Abstract

An infusion pump has a housing (10) accommodating a pump finger mechanism (12). The pump finger mechanism (12) acts on a pump hose (13) fastened at holders (16, 21) of the housing. The pump hose (13) is supported by a door (24). In order to facilitate proper and positionally correct placement of the pump hose, one of the holders (16) includes an oblique pin. The associated transition piece (15) of the pump hose (13) has a hole (18) with the same inclination angle as the oblique pin. The other transition piece (20) is of a different structure so that the transition pieces cannot be mixed up. A longitudinal color strip on the pump hose is provided to visually indicate any twisting of the hose.

Description

technical field [0001] The invention relates to a syringe pump, comprising a pump tube with a conversion piece at its two ends; a casing, which accommodates a pump finger device and has two fixers to fix the two conversion pieces; and a door provided on the housing which forms a counter bearing for supporting the pump tube. Background technique [0002] From the applicant's DE 8406203 U1, a syringe pump is known which comprises a housing to accommodate a replaceable pump tube, with a pump finger device constantly squeezing the tube from top to bottom, whereby Causes volume transfer of liquid in the pump tubing. The pump tubing is made of a relatively soft elastic material, in particular silicone, and its ends are mounted on the adapter to connect to a supply tube and a discharge tube made of elastic plastic material. The housing is provided with a retainer into which the conversion piece is hooked. In this way, it is possible to connect the pump tubing to the housing in a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/142F04B43/00F04B43/08F16L33/20
CPCA61M5/14228F04B43/082A61M2205/6045F04B43/0072F16L33/20
Inventor 赖因哈特·克努特罗纳德·卢茨博多·沙赫特
Owner B BRAUN MELSUNGEN AG